Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: De que ano de turma era Vencie Glenn?
 ###Tabelas: CREATE TABLE steam_locomotives (steam_locomotives_id AUTO_INCREMENT PRIMARY KEY, Identity VARCHAR, Builder VARCHAR, Built INT, Wheel Arrangement VARCHAR, Notes VARCHAR) CREATE TABLE sycamores_in_professional_leagues_50 (sycamores_in_professional_leagues_50_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Class Year INT, Position VARCHAR, Teams VARCHAR, Career VARCHAR, Highlight(s) VARCHAR) CREATE TABLE -_7_seats (-_7_seats_id AUTO_INCREMENT PRIMARY KEY, Riding VARCHAR, Candidate VARCHAR, Gender VARCHAR, Residence VARCHAR, Occupation VARCHAR, Votes INT, Rank VARCHAR) CREATE TABLE single_game (single_game_id AUTO_INCREMENT PRIMARY KEY, Rank INT, Player VARCHAR, County VARCHAR, Tally VARCHAR, Total INT, Opposition VARCHAR) CREATE TABLE by_ownership_of_goods_and_services (by_ownership_of_goods_and_services_id AUTO_INCREMENT PRIMARY KEY, Region VARCHAR, Vehicle VARCHAR, Automatic washing machine VARCHAR, Refrigerator VARCHAR, Water heater VARCHAR, Fixed telephone line VARCHAR, Mobile phone VARCHAR, Cable/Sat. TV connection VARCHAR)  
SELECT MIN Class Year FROM sycamores_in_professional_leagues_50 WHERE Player = Vencie Glenn